Active NPI
Tessa G Leith, AGACNP-BC
- Gerontology Nurse Practitioner
- Leesburg, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gerontology Nurse Practitioner
- License
- 0024190950
- Practice address
- 44045 Riverside Pkwy
Leesburg, VA 20176-5101 - Phone
- (703) 858-6000
- Fax
- (703) 858-6900
- NPI assigned
- Jan 23, 2025
- Last updated
- May 11, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Acute Care Nurse Practitioner | 363LA2100X | 0024190950 | VA | |
| Adult Health Nurse Practitioner | 363LA2200X | 0024190950 | VA | |
| Gerontology Nurse Practitioner | 363LG0600X | 0024190950 | VA | Primary |
Addresses
Primary practice location
44045 Riverside Pkwy
Leesburg, VA 20176-5101
Mailing address
224 D Cornwall Street NW
Ste 403
Leesburg, VA 20176-2704
Phone (703) 737-6010
Other practice location 1
19490 Sandridge Way, Suite 210
Leesburg, VA 20176-3467
Phone (703) 723-7504
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 30018201320002 | Medicaid | VA | |
| 1356153670 | Medicaid | VA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- George Washington University School of Medicine, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
19490 Sandridge Way
Suite 210
Leesburg, VA 20176-3467
Phone (571) 223-5723
44045 Rivderside Pkwy
Leesburg, VA 20176-5101
Phone (703) 771-2960
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0024190950 | VA | MD | Adult Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Loudoun Medical Group, PC | Current | Accepting new patients | |
| Loudoun Medical Group, PC | Current | Accepting new patients |
Locations
20955 Professional Plz
Ste 200
Ashburn, VA 20147
Phone (703) 729-7652
19490 Sandridge Way
Ste 210
Leesburg, VA 20176
Phone (703) 723-7504
224D Cornwall St NW
Ste 403
Leesburg, VA 20176
Phone (703) 737-6001
24430 Stone Springs Blvd
Ste 100
Sterling, VA 20166
Phone (703) 723-6774
Interoperability endpoints
- tessa.leith@lmg1.eclinicaldirectplus.com
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Internal Medicine Physician
- Leesburg, VA
- NPI 1679591440
-
dba Loudoun Medical Group, PC 'D'
- Vascular Surgery Physician
- Reston, VA
- NPI 1588376321
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Inova Loudoun Hospital
- Psychiatric Hospital Unit
- Leesburg, VA
- NPI 1285786228
-
dba Inova Loudoun Hospital
- General Acute Care Hospital
- Leesburg, VA
- NPI 1376564302
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1737590400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778457600000",
"number": "1356153670",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "224 D CORNWALL STREET NW",
"address_2": "STE 403",
"city": "LEESBURG",
"state": "VA",
"postal_code": "201762704",
"telephone_number": "703-737-6010",
"fax_number": "703-443-8643"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "44045 RIVERSIDE PKWY",
"city": "LEESBURG",
"state": "VA",
"postal_code": "201765101",
"telephone_number": "703-858-6000",
"fax_number": "703-858-6900"
}
],
"practiceLocations": [
{
"address_1": "19490 Sandridge Way, Suite 210",
"address_purpose": "LOCATION",
"city": "Leesburg",
"state": "VA",
"postal_code": "201763467",
"country_code": "US",
"telephone_number": "703-723-7504",
"fax_number": "703-723-7550",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LEITH",
"first_name": "TESSA",
"middle_name": "G",
"credential": "AGACNP-BC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-01-23",
"last_updated": "2026-05-11",
"certification_date": "2026-05-11",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2100X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Acute Care",
"state": "VA",
"license": "0024190950",
"primary": false
},
{
"code": "363LA2200X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Adult Health",
"state": "VA",
"license": "0024190950",
"primary": false
},
{
"code": "363LG0600X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Gerontology",
"state": "VA",
"license": "0024190950",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "30018201320002",
"state": "VA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1356153670",
"state": "VA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Leesburg, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.